Deck 2: The Measurement of Motor Performance

Question 1

EEG recordings will show __________ waves when the cerebral cortex is active.

A) Alpha
B) Beta
C) Theta
D) Delta

Answer 1

B

Question 2

A person had the following error scores for a series of 5 trials: +5,-3,+8,+18,-6.The average AE score is ________.

Answer 2

8

Question 3

The term kinetics refers to motion caused by ___________.

A) Velocity
B) Angular acceleration
C) Force
D) Movement

Answer 3

C

Question 4

Displacement,velocity,and acceleration. are ___________ measures of motion.

A) Kinetic
B) Kinematic
C) Force
D) Angular motion

Question 5

Which of the following would be considered a performance production measure?

A) The height of a jump
B) The time to complete a jump
C) The number of successful jumps to reach a target
D) The joint torque at the knee just prior to take off during a jump

Question 6

When RT is fractionated,the interval that represents the time it takes to receive and transmit information from the environment is referred to as the:

A) Premotor time
B) Motor time
C) Discrimination time
D) Response time

Question 7

The measure of muscle activity that detects the lateral displacement of a muscle's belly following maximal percutaneous neuromuscular stimulation is referred to as:

A) Electromyography (EMG)
B) Whole muscle mechanomyography (wMMG)
C) Electroencephalography (EEG)
D) Near infrared spectroscopy (NIRS)

Question 8

An individual must respond to only one of several signals presented in this type of reaction time.

A) Simple RT
B) Choice RT
C) Discrimination RT
D) Serial RT

Question 9

Near infrared spectroscopy (NIRS)can be used to measure activity in the:

A) Brain
B) Muscles
C) Brain and muscles
D) None of these

Question 10

The method of recording electrical activity in the muscles during movement is called ________.

Question 11

The kinematic measure of motor performance that describes the speeding up and slowing down of a movement is called ________.

Question 12

This error measure evaluates overall accuracy during a series of trials.

A) AE
B) CE
C) VE
D) RE

Question 13

The interval of time between the initiation and completion of a movement is called ______.

Question 14

The change in spatial position of a limb is called:

A) Displacement.
B) Velocity.
C) Acceleration.
D) Linear motion.

Question 15

This brain activity measurement technique realigns hydrogen atoms in the body and may provide clear 2D and 3D images of the brain.

A) EEG
B) PET
C) EMG
D) fMRI

Question 16

Which two events mark the beginning and the end of the interval known as reaction time?

A) Warning signal and stimulus signal
B) Stimulus signal and initiation of the response
C) Stimulus signal and the completion of the response
D) Warning signal and the initiation of the response

Question 17

This error measure evaluates performance consistency during a series of trials.

A) AE
B) CE
C) VE
D) E

Question 18

Variable error is an indicator of a person's performance ________ when performing a skill that requires hitting a target.

Question 19

Which of the following would be considered a performance outcome measure?

A) The distance a ball was kicked
B) The angle of the knee at ball impact
C) The electrical activity in the quadriceps muscles during the kick
D) The electrical activity in the brain during the kick

Question 20

To determine muscle activation patterns,this measurement method could be used.

A) EMG
B) EEG
C) Kinetics
D) Kinematics

Question 21

The calculation of ______________ provides an objective measure of the coordination between two limbs or limb segments by comparing the specific location of each limb or limb segment in one cycle of a cyclic movement.

Question 22

The brain activity measurement technique that shows blood flow in the brain is known as ________.

Question 23

The two legs are 180 degrees out of phase during running.

Question 24

Constant error (CE)refers to a person's performance bias during a series of trials.

Question 25

Simple RT involves one signal and more than one possible response.

Question 26

If you want to describe the movement of an object in a straight line,the type of motion you would describe is referred to as ________.

Question 27

Reaction time and movement time measure the same aspect of performance.

Question 28

When a performance score is recorded as m/sec^-1,the performance measure is velocity.

Question 29

Root-mean-square error (RMS)is typically used to measure accuracy in discrete skills.

Question 30

TMS involves directing a short burst of magnetic waves at a specific area of the brain cortex in order to temporarily activate that area.

Question 31

If you move your two arms forward and backward several times at the same time,the phase relationship between them is 0 degrees.

Question 32

Radial error (RE)would be the appropriate general accuracy measure to assess the accuracy of a golf putt.

Question 33

Force can be calculated from the kinematics of a movement if you know the mass of the moving object and the ________ of the movement.

Question 34

The rotary force of body segments around their joints axes is known as joint ________.